21338411

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:346

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 1678549

約数列:

[1, 23, 71, 73, 179, 1633, 1679, 4117, 5183, 12709, 13067, 119209, 292307, 300541, 927757, 21338411]

約数ペア:

[(1, 21338411), (23, 927757), (71, 300541), (73, 292307), (179, 119209), (1633, 13067), (1679, 12709), (4117, 5183)]